Front caliper bleeding

What kind of bleeding you might "get away with" may depend on how carefully and effectively you can prevent fluid running out of the disconnected brake line and air proceeding up toward the actuator. Things are simpler if the air is only down at the caliper.

Have you looked over this thread to learn about tools that will let you use the actual bleed procedure? :

Gen2 OBD2 app review | PriusChat

 

the front brakes doesn't need a scan tool (or techstream) for bleeding, it can be done using the conventional method. You only need the scan tool for bleeding the rear brakes since it's electronically controlled (ABS pump) No need to bleed both if you're only working one 1 side, unless you lose a lot of brake fluid and introduced air in the master cylinder.

 

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Yes, sometimes you can get away with bleeding a front caliper that way, if you were careful enough and effectively prevented fluid running out of the disconnected brake line and air proceeding up toward the actuator.